Energy Flow in Ecosystems Quiz

Which of the following best describes how energy from the sun is used by animals?

• Animals directly absorb sunlight to gain energy.

• Animals eat plants or other animals to obtain energy that originally came from the sun.

• Animals use the sun's energy to breathe.

• Animals store sunlight in their bodies for later use.

Tags

NGSS.MS-LS2-3

What is the primary source of energy for plants?

• Water

• Soil

• Sunlight

• Air

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

How do plants primarily obtain the materials they need for growth?

• From the soil

• From air and water

• From sunlight

• From other plants

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Which of the following statements supports the argument that plants get their materials for growth from air and water?

• Plants absorb nutrients from the soil.

• Plants convert sunlight into food.

• Plants take in carbon dioxide from the air and water from the soil.

• Plants use oxygen to grow.

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

What role do decomposers play in the movement of matter in an ecosystem?

• They produce energy from sunlight.

• They break down dead organisms, returning nutrients to the soil.

• They consume plants for energy.

• They store energy for future use.

Tags

NGSS.MS-LS2-3

Which model best describes the movement of matter among plants, animals, and decomposers?

• A straight line

• A circle

• A triangle

• A square

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

How does energy from the sun become part of an animal's body?

• Animals absorb sunlight directly.

• Animals eat plants that have converted sunlight into energy.

• Animals drink water that contains sunlight.

• Animals breathe in sunlight.

Tags

NGSS.MS-LS1-6

NGSS.MS-LS1-7

What is the main process by which plants convert sunlight into energy?

• Respiration

• Photosynthesis

• Digestion

• Decomposition

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Which of the following is NOT a source of materials for plant growth?

• Air

• Water

• Soil

• Sunlight

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-1

What happens to the matter in plants when they die?

• It disappears.

• It is absorbed by animals.

• It is broken down by decomposers and returned to the environment.

• It turns into sunlight.

Tags

NGSS.MS-LS2-3